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TGF b 3 Human/ 重组人转化生长因子b3 产品编号:CYT-368
产品规格:2μg/10μg/100μg
Synonyms | Transforming Growth Factor-beta3, TGFB3, ARVD, FLJ16571, TGF-beta3. |
Introduction | Transforming growth factor betas (TGF Betas) mediate many cell-cell interactions that occur during embryonic development. Three TGF Betas have been identified in mammals. TGF Beta 1, TGF Beta 2 and TGF Beta 3 are each synthesized as precursor proteins that are very similar in that each is cleaved to yield a 112 amino acid polypeptide that remains associated with the latent portion of the molecule. |
Description | TGF-b3 Human Recombinant produced in E.Coli is a disulfide-linked homodimeric, non-glycosylated, polypeptide chain containing 112 amino acids and having a molecular mass of 25,445 Dalton. The TGF-b 3 is purified by standard chromatographic techniques. |
Source | Escherichia Coli. |
Physical Appearance | Sterile Filtered clear solution. |
Formulation | The protein solution contains 20% Ethanol and 0.12% Acetic acid. |
Stability | TGF-beta 3 although stable at room temperature for 3 weeks, should be stored at 4°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). |
Purity | Greater than 98.0% as determined by(a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE. |
Amino acid sequence | The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Leu-Asp-Thr-Asn. |
Biological Activity | The ED50 as determined by the cell toxicity assay using the WHO Standard 98/608 as a direct comparison is < 0.05ng/ml. |
Protein content | Protein quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 1.718 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (InliGenetics). 2. Analysis by RP-HPLC, using a calibrated solution of TGF-b 3 as a Reference Standard. |
Usage | Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. |
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